Bug-479: Implementation of Vendor-Information TLV
[bgpcep.git] / pcep / impl / src / main / java / org / opendaylight / protocol / pcep / impl / object / PCEPObjectiveFunctionObjectParser.java
index 9654b0691bb5de635b3ffe724eeb40893a0fd4f4..b0f50abcdfb85c364cb26314a31979c4590c09af 100644 (file)
@@ -7,89 +7,78 @@
  */
 package org.opendaylight.protocol.pcep.impl.object;
 
-import org.opendaylight.protocol.pcep.PCEPDeserializerException;
-import org.opendaylight.protocol.pcep.PCEPDocumentedException;
-import org.opendaylight.protocol.pcep.impl.message.AbstractObjectWithTlvsParser;
-import org.opendaylight.protocol.pcep.spi.TlvHandlerRegistry;
-import org.opendaylight.protocol.util.ByteArray;
+import static org.opendaylight.protocol.util.ByteBufWriteUtil.writeUnsignedShort;
+
+import com.google.common.base.Preconditions;
+import io.netty.buffer.ByteBuf;
+import io.netty.buffer.Unpooled;
+import java.util.List;
+import org.opendaylight.protocol.pcep.spi.AbstractObjectWithTlvsParser;
+import org.opendaylight.protocol.pcep.spi.ObjectUtil;
+import org.opendaylight.protocol.pcep.spi.PCEPDeserializerException;
+import org.opendaylight.protocol.pcep.spi.TlvRegistry;
+import org.opendaylight.protocol.pcep.spi.VendorInformationTlvRegistry;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.Object;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.ObjectHeader;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.OfId;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.OfObject;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.Tlv;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.lsp.attributes.OfBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.of.object.Of;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.of.object.OfBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.of.object.of.Tlvs;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.of.object.of.TlvsBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.vendor.information.tlvs.VendorInformationTlv;
 
 /**
- * Parser for {@link OfObject}
+ * Parser for {@link Of}
  */
-public class PCEPObjectiveFunctionObjectParser extends AbstractObjectWithTlvsParser<OfBuilder> {
-
-       public static final int CLASS = 21;
-
-       public static final int TYPE = 1;
-       /*
-        * lengths of fields
-        */
-       public static final int OF_CODE_F_LENGTH = 2;
-
-       /*
-        * offsets of fields
-        */
-       public static final int OF_CODE_F_OFFSET = 0;
-       public static final int TLVS_OFFSET = OF_CODE_F_OFFSET + OF_CODE_F_LENGTH + 2; // added reserved field of size 2
-
-       public PCEPObjectiveFunctionObjectParser(final TlvHandlerRegistry tlvReg) {
-               super(tlvReg);
-       }
-
-       @Override
-       public OfObject parseObject(final ObjectHeader header, final byte[] bytes) throws PCEPDeserializerException, PCEPDocumentedException {
-               if (bytes == null || bytes.length == 0) {
-                       throw new IllegalArgumentException("Array of bytes is mandatory. Can't be null or empty.");
-               }
-
-               final OfBuilder builder = new OfBuilder();
-
-               parseTlvs(builder, ByteArray.cutBytes(bytes, TLVS_OFFSET));
-
-               builder.setIgnore(header.isIgnore());
-               builder.setProcessingRule(header.isProcessingRule());
-               builder.setCode(new OfId(ByteArray.bytesToInt(ByteArray.subByte(bytes, OF_CODE_F_OFFSET, OF_CODE_F_LENGTH)) & 0xFFFF));
-
-               return builder.build();
-       }
-
-       @Override
-       public void addTlv(final OfBuilder builder, final Tlv tlv) {
-               // No tlvs defined
-       }
-
-       @Override
-       public byte[] serializeObject(final Object object) {
-               if (!(object instanceof OfObject)) {
-                       throw new IllegalArgumentException("Wrong instance of PCEPObject. Passed " + object.getClass()
-                                       + ". Needed PCEPObjectiveFunction.");
-               }
-
-               final OfObject specObj = (OfObject) object;
-               // FIXME
-               // final byte[] tlvs = PCEPTlvParser.put(specObj.getTlvs());
-               final byte[] retBytes = new byte[TLVS_OFFSET + 0];
-
-               // ByteArray.copyWhole(tlvs, retBytes, TLVS_OFFSET);
-
-               ByteArray.copyWhole(ByteArray.shortToBytes(specObj.getCode().getValue().shortValue()), retBytes, OF_CODE_F_OFFSET);
-
-               return retBytes;
-       }
-
-       @Override
-       public int getObjectType() {
-               return TYPE;
-       }
-
-       @Override
-       public int getObjectClass() {
-               return CLASS;
-       }
+public class PCEPObjectiveFunctionObjectParser extends AbstractObjectWithTlvsParser<TlvsBuilder> {
+
+    public static final int CLASS = 21;
+
+    public static final int TYPE = 1;
+
+    private static final int RESERVED = 2;
+
+    public PCEPObjectiveFunctionObjectParser(final TlvRegistry tlvReg, final VendorInformationTlvRegistry viTlvReg) {
+        super(tlvReg, viTlvReg);
+    }
+
+    @Override
+    public Of parseObject(final ObjectHeader header, final ByteBuf bytes) throws PCEPDeserializerException {
+        Preconditions.checkArgument(bytes != null && bytes.isReadable(), "Array of bytes is mandatory. Can't be null or empty.");
+        final OfBuilder builder = new OfBuilder();
+        builder.setIgnore(header.isIgnore());
+        builder.setProcessingRule(header.isProcessingRule());
+        builder.setCode(new OfId(bytes.readUnsignedShort()));
+        bytes.readBytes(RESERVED);
+        final TlvsBuilder tlvsBuilder = new TlvsBuilder();
+        parseTlvs(tlvsBuilder, bytes.slice());
+        builder.setTlvs(tlvsBuilder.build());
+        return builder.build();
+    }
+
+    @Override
+    public void serializeObject(final Object object, final ByteBuf buffer) {
+        Preconditions.checkArgument(object instanceof Of, "Wrong instance of PCEPObject. Passed %s. Needed OfObject.", object.getClass());
+        final Of specObj = (Of) object;
+        final ByteBuf body = Unpooled.buffer();
+        Preconditions.checkArgument(specObj.getCode() != null, "Code is mandatory");
+        writeUnsignedShort(specObj.getCode().getValue(), body);
+        body.writeZero(RESERVED);
+        serializeTlvs(specObj.getTlvs(), body);
+        ObjectUtil.formatSubobject(TYPE, CLASS, object.isProcessingRule(), object.isIgnore(), body, buffer);
+    }
+
+    public void serializeTlvs(final Tlvs tlvs, final ByteBuf body) {
+        if (tlvs == null) {
+            return;
+        }
+        serializeVendorInformationTlvs(tlvs.getVendorInformationTlv(), body);
+    }
+
+    @Override
+    protected final void addVendorInformationTlvs(final TlvsBuilder builder, final List<VendorInformationTlv> tlvs) {
+        if (!tlvs.isEmpty()) {
+            builder.setVendorInformationTlv(tlvs);
+        }
+    }
 }